Home / 785,802.20-1,084,411.42-459,134.42

Finding the Fourth Proportional to 785,802.20, 1,084,411.42 and 459,134.42

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Solution

The fourth proportional to 785,802.20, 1,084,411.42 and 459,134.42 is: 633,608.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,802.20 : 1,084,411.42 = 459,134.42 : x
  2. Step 2: Convert to fraction form
    785,802.20/1,084,411.42 = 459,134.42/x
  3. Step 3: Cross multiply
    785,802.20x = 1,084,411.42 × 459,134.42
  4. Step 4: Simplify right side
    785,802.20x = 497,890,608,363.08
  5. Step 5: Solve for x
    x = 497,890,608,363.08/785,802.20
  6. Step 6: Final answer
    x = 633,608.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.